diff --git a/Userland/Libraries/LibJS/Runtime/DatePrototype.cpp b/Userland/Libraries/LibJS/Runtime/DatePrototype.cpp
index 0a4d6a242b..5af3da296e 100644
--- a/Userland/Libraries/LibJS/Runtime/DatePrototype.cpp
+++ b/Userland/Libraries/LibJS/Runtime/DatePrototype.cpp
@@ -109,7 +109,7 @@ DatePrototype::~DatePrototype()
 }
 
 // thisTimeValue ( value ), https://tc39.es/ecma262/#thistimevalue
-static ThrowCompletionOr<Value> this_time_value(GlobalObject& global_object, Value value)
+ThrowCompletionOr<Value> this_time_value(GlobalObject& global_object, Value value)
 {
     // 1. If Type(value) is Object and value has a [[DateValue]] internal slot, then
     if (value.is_object() && is<Date>(value.as_object())) {
diff --git a/Userland/Libraries/LibJS/Runtime/DatePrototype.h b/Userland/Libraries/LibJS/Runtime/DatePrototype.h
index b4a05ad941..1d2ab58b36 100644
--- a/Userland/Libraries/LibJS/Runtime/DatePrototype.h
+++ b/Userland/Libraries/LibJS/Runtime/DatePrototype.h
@@ -64,6 +64,7 @@ private:
     JS_DECLARE_NATIVE_FUNCTION(symbol_to_primitive);
 };
 
+ThrowCompletionOr<Value> this_time_value(GlobalObject& global_object, Value value);
 String time_string(double time);
 String date_string(double time);
 String time_zone_string(double time);